EP0868606A1 - Luftfilterelement - Google Patents
LuftfilterelementInfo
- Publication number
- EP0868606A1 EP0868606A1 EP96939852A EP96939852A EP0868606A1 EP 0868606 A1 EP0868606 A1 EP 0868606A1 EP 96939852 A EP96939852 A EP 96939852A EP 96939852 A EP96939852 A EP 96939852A EP 0868606 A1 EP0868606 A1 EP 0868606A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- filter element
- housing
- air filter
- element according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4254—Allowing or improving visual supervision, e.g. lamps, transparent parts, windows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0205—Details, e.g. sensors or measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
- B01D2271/022—Axial sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/30—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
Definitions
- the invention relates to an air filter element, in particular for cleaning combustion air for internal combustion engines in air filters.
- Such air filter elements are known, for example by their use in commercial vehicles, especially in dusty countries.
- Previously known air filter elements are replaced after a certain operating time. Depending on the amount of dust, the service life of an air filter can range from a few days to several months.
- Known filter inserts usually consist of a combination of materials, sheet steel being used in particular for the support tubes.
- the actual filter medium is paper or a plastic fleece, which in itself is not in a position to absorb the pulsating forces that occur in internal combustion engines. Disposing of such air filter elements or separating them into the individual material components involves great effort and is therefore uneconomical and expensive.
- waste prevention takes priority over waste recycling and disposal.
- Prerequisites for the recovery process are that the recovery is technically possible, the costs of the recovery are reasonable, and for the materials or energy obtained, a market exists or can be created. Only if these criteria are not met can the waste be properly disposed of.
- this object is achieved in that the cylindrical housing of the air filter element is permeable to air, the air filter element having a raw air inlet 2 and a clean air outlet 3, the clean air outlet being arranged essentially concentrically from one of the end faces of the cylindrical housing and the raw air inlet essentially via the The outer surface of the housing takes place, an air-permeable central tube, which communicates with the clean air outlet, extending in the interior of the housing.
- a substantially metal-free filter insert is pushed over the center tube, which separates the clean air from the unfiltered air side, the opposite end of which is closed, the clean air outlet cables of the housing having an axial seal on the front side, the housing being separable.
- center tube is connected to a housing half.
- This one-piece design simplifies the disassembly and assembly work. Handling when attaching the filter insert to the center tube and then inserting it into the housing is simplified since centering of the filter insert is no longer necessary.
- the filter insert is detachably connected to the center tube.
- this has the advantage that, when the used filter insert is disposed of, only this can be replaced, which reduces the use of materials on the spare part side.
- this also reduces the amount of material to be disposed of, creating a spare part that e.g. is metal-free.
- a further advantageous development provides that the end face of the filter insert facing the clean air outlet is provided with a sealing bead, the sealing bead sealingly resting on the surface of the central tube and forming a radial seal.
- the filter insert When inserted into the housing, the filter insert automatically reaches the correct installation position through the axially tolerant seal on the center tube. Furthermore, this limp version of the filter insert is able to compensate for pressure surges that may occur without damage.
- the end face of the filter insert facing the clean air outlet is provided with a sealing bead, the sealing bead sealingly abutting the end face of the housing half and forming an axial seal.
- the special design of the seal so that it can take on axial sealing properties if the filter insert is appropriately length-matched, guarantees that the filter properties are retained in the event of a pressure surge
- a safety cartridge is arranged within the central tube, the end face of which is opposite the clean air outlet is closed and is detachably connected to the central tube. This safety cartridge guarantees safe filter operation, the solubility allows better handling with regard to assembly and disposal, as with the filter insert.
- the filter insert consists of a paper or fleece folded in a star configuration and the end plates and the sealing bead consist of PUR foam. This combination of materials has advantages when pressure surges occur, in the form that no damage to the filter insert occurs.
- the air filter element has a latching element which is suitable for the positive connection of the housing halves and is connected to the cover or the housing via a film hinge or a flexible hinge. This enables the housing parts to be connected to one another quickly and easily.
- the parts of the air filter element that do not belong to the filter insert can be reused.
- the reusability of the peripheral parts increases the longevity of the product and the amount of waste generated is reduced.
- the reusable parts consist of metal and / or plastic. This has the advantage that even if these peripheral parts are returned to the material cycle, they are sorted, both materials are relatively easy to reuse.
- a handle guard is attached to the circumference of the filter insert. This from e.g. Slotted plastic existing handle protection prevents possible damage to the filter insert when it is installed.
- an air filter which contains an air filter element according to one or more of the preceding claims.
- an air filter element described above is by means of its clean air outlet against a sealing surface of the air filter containing a clean air outlet, for. B. pressed over a quick release lever.
- the longitudinal forces that occur here are absorbed by the housing of the air filter element. Any transverse forces that may occur are absorbed by the center tube located in the housing, so that the filter element is mounted in the housing of the air filter element virtually without forces.
- FIG. 1 an air filter element
- FIG. 2 shows a carrying or assembly handle on the air filter element
- Figure 3 shows a maintenance interval unit.
- the air filter element consists of a housing 1 which can be divided into at least two parts.
- the housing 1 is permeable to air, which realizes the raw air inlet 2 through, for example, holes made on the circumference.
- the clean air outlet 3 is integrated in the housing half 9.
- a likewise air-permeable center tube 4 In the interior of the housing 1 extends a likewise air-permeable center tube 4, which is connected to the clean air outlet 3. This connection can be glued, welded, screwed or snapped.
- a metal-free filter insert 5 made of folded paper is placed over the center tube 4.
- the filter insert separates the clean air side from the unfiltered air side by means of PUR seals on the end faces of the filter insert 5.
- a PUR seal extends over the entire front side surface and, in addition to sealing, also serves as a seal Axial tolerant fixation of the filter insert 5 in the housing 1.
- the filter insert 5, which is releasably seated on the center tube 4 has a handle protection for easier and more secure removal and assembly. preferably slipped plastic over its outer surface. In less robust use, this can also be omitted.
- filter element 5 has a radially acting sealing bead 6 which, in conjunction with end face 7 or tolerance lips 10, guarantee this.
- the two housing halves are screwed together, but a plug-in or snap or hook-and-loop connection is also conceivable.
- a handle is attached to the air filter element, by means of which the air filter element is easier to handle, in particular when inserted into the air filter, the air filter element being held against the sealing surface of the air filter containing a clean air outlet by means of the handle until the housing of the air filter element e.g. B. is fixed by a quick release lever, not shown.
- a maintenance indicator is shown, on the basis of which the maintenance intervals, for. B. can be read from a manufacturing or sales date that can be read there.
- the maintenance intervals for. B.
- a prediction of the possible dust loads depending on the length of time the filter element remains in the air filter is possible.
- the air filter element is provided with a latching element which is suitable for the positive connection of the housing halves and which is connected to the cover or the housing via a film hinge or a bending hinge.
- a safety cartridge is located within the center tube, which is additionally arranged to prevent contamination during the change of the filter insert, the end face of which is opposite the clean air outlet and which is detachably connected to the center tube.
- a handle guard is attached or slipped on the circumference of the filter insert.
- B. can consist of slotted plastic film.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19547575A DE19547575A1 (de) | 1995-12-20 | 1995-12-20 | Luftfilterelement |
DE19547575 | 1995-12-20 | ||
PCT/EP1996/005103 WO1997022795A1 (de) | 1995-12-20 | 1996-11-20 | Luftfilterelement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0868606A1 true EP0868606A1 (de) | 1998-10-07 |
EP0868606B1 EP0868606B1 (de) | 2000-01-05 |
Family
ID=7780650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96939852A Expired - Lifetime EP0868606B1 (de) | 1995-12-20 | 1996-11-20 | Luftfilterelement |
Country Status (10)
Country | Link |
---|---|
US (1) | US6090177A (de) |
EP (1) | EP0868606B1 (de) |
KR (1) | KR100530764B1 (de) |
AT (1) | ATE188538T1 (de) |
AU (1) | AU7693796A (de) |
DE (1) | DE19547575A1 (de) |
ES (1) | ES2144273T3 (de) |
IN (2) | IN187472B (de) |
NO (1) | NO315992B1 (de) |
WO (1) | WO1997022795A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ300412B6 (cs) * | 1999-07-02 | 2009-05-13 | Filterwerk Mann+Hummel Gmbh | Vzduchový filtr, filtracní vložka a pouzdro filtru |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19913181A1 (de) * | 1999-03-24 | 2000-09-28 | Mann & Hummel Filter | Filter mit topfförmigem Gehäuse und Rundfilterpatrone |
DE19928448A1 (de) * | 1999-06-23 | 2000-12-28 | Mahle Filtersysteme Gmbh | Ringfilter aus sternförmig gefaltetem Filterbahnmaterial |
US6652614B2 (en) * | 2000-12-04 | 2003-11-25 | Donaldson Company, Inc. | Filter system; element configuration; and methods |
ATE372162T1 (de) * | 2002-10-28 | 2007-09-15 | Donaldson Co Inc | Luftfilter; auswechselbare filterpatrone; und verfahren |
WO2006026241A1 (en) | 2004-08-25 | 2006-03-09 | Donaldson Company, Inc. | Air cleaner; replaceable filter cartridges; and, methods |
EP1754525B1 (de) | 2005-08-16 | 2011-01-19 | Donaldson Company, Inc. | Luftreiniger mit verdrehsicherer Anordnung und Verfahren |
DE202005014125U1 (de) * | 2005-09-08 | 2007-01-25 | Mann + Hummel Gmbh | Abscheider zur Reinigung eines Fluidstromes |
EP2086663B2 (de) | 2006-10-06 | 2018-04-11 | Donaldson Company, Inc. | Luftreiniger |
US8414675B2 (en) * | 2007-04-03 | 2013-04-09 | Donaldson Company, Inc. | Air cleaner; air filter cartridge and method of manufacturing |
DE102007017091A1 (de) * | 2007-04-10 | 2008-10-16 | Mahle International Gmbh | Ringfilterelement |
US8066791B2 (en) | 2007-07-20 | 2011-11-29 | Donaldson Company, Inc. | Air cleaner arrangements with internal and external support for cartridge; components; and, methods |
US8292984B2 (en) | 2007-07-20 | 2012-10-23 | Donaldson Company, Inc. | Air cleaner arrangments with end support for cartridge; components; and, methods |
CN102015059B (zh) * | 2008-02-26 | 2014-10-29 | 曼·胡默尔有限公司 | 提高效率的多重波纹管滤清器 |
DE112012000984T5 (de) | 2011-02-25 | 2014-02-20 | Donaldson Company, Inc. | Luftfilterpatronen; Komponenten von diesen; und Luftreinigeraufbauten |
DE102014000927A1 (de) | 2013-02-12 | 2014-08-14 | Mann + Hummel Gmbh | Filterelement |
EP3401000A1 (de) | 2017-05-09 | 2018-11-14 | Donaldson Company, Inc. | Adapter und luftfilterpatrone zur verwendung mit solch einem adapter |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1087569B (de) * | 1956-12-06 | 1960-08-25 | Bendix Aviat Corp | Filtereinsatz |
DE1841661U (de) * | 1961-06-29 | 1961-11-16 | Rene Jaume | Filter, insbesondere zum filtern der verbrennungsluft eines explosionsmotors. |
FR1394828A (fr) * | 1964-02-15 | 1965-04-09 | Filtre à air pour moteurs à combustion interne | |
FR1533338A (fr) * | 1967-06-06 | 1968-07-19 | Filtre à air monobloc | |
GB1253354A (en) * | 1967-11-16 | 1971-11-10 | Tecalemit Engineering | Improvements in fluid filters |
DE1936333A1 (de) * | 1969-07-17 | 1971-01-28 | Porsche Kg | Luftfiltergehaeuse fuer Brennkraftmaschinen |
GB1550831A (en) * | 1976-05-28 | 1979-08-22 | Marshall D A G | Fluid filter with replaceable filtering material |
CA1099220A (en) * | 1977-06-06 | 1981-04-14 | Kenneth A. Conti | Air cleaner with permanent cartridge seal |
US4211543A (en) * | 1978-04-24 | 1980-07-08 | Donaldson Company, Inc. | Air cleaner with replaceable filter element |
FR2445165A2 (fr) * | 1978-12-27 | 1980-07-25 | Europ Accumulateurs | Perfectionnement aux elements filtrants |
US4303426A (en) * | 1980-03-14 | 1981-12-01 | Robert Battis | Automobile air filter having replaceable and readily disposable filter element |
DE3838540A1 (de) * | 1988-11-14 | 1990-05-17 | Hengst Walter Gmbh & Co Kg | Filterpatrone, insbesondere fuer einen ansaugluftfilter einer brennkraftmaschine |
US4950317A (en) * | 1989-01-09 | 1990-08-21 | Donaldson Company, Inc. | Air filter assembly and method of putting filter element in same |
US5207811A (en) * | 1992-07-08 | 1993-05-04 | Dana Corporation | Air filter sealing groove |
DE4241586C1 (de) * | 1992-12-10 | 1994-01-27 | Mann & Hummel Filter | Luftfilter |
EP0721364A1 (de) * | 1993-09-29 | 1996-07-17 | Fleetguard, Inc. | Fluidumfilteranordnung für fahrzeuge |
DE4428139C2 (de) * | 1993-10-27 | 1996-10-02 | Mann & Hummel Filter | Filtereinrichtung |
US5547480A (en) * | 1994-01-21 | 1996-08-20 | Donaldson Company, Inc. | Cylindrical air filter with radially directed seal |
GB9401094D0 (en) * | 1994-01-21 | 1994-03-16 | Coopers Filters Ltd | Heavy duty air filter assembly |
SE506017C2 (sv) * | 1994-05-10 | 1997-11-03 | Volvo Ab | Luftfilter |
US5685985A (en) * | 1995-12-20 | 1997-11-11 | Baldwin Filters, Inc. | Environmentally friendly filter cartridge |
-
1995
- 1995-12-20 DE DE19547575A patent/DE19547575A1/de not_active Withdrawn
-
1996
- 1996-11-04 IN IN535BO1996 patent/IN187472B/en unknown
- 1996-11-20 US US09/091,548 patent/US6090177A/en not_active Expired - Fee Related
- 1996-11-20 KR KR1019980704417A patent/KR100530764B1/ko not_active IP Right Cessation
- 1996-11-20 ES ES96939852T patent/ES2144273T3/es not_active Expired - Lifetime
- 1996-11-20 AU AU76937/96A patent/AU7693796A/en not_active Abandoned
- 1996-11-20 EP EP96939852A patent/EP0868606B1/de not_active Expired - Lifetime
- 1996-11-20 AT AT96939852T patent/ATE188538T1/de not_active IP Right Cessation
- 1996-11-20 WO PCT/EP1996/005103 patent/WO1997022795A1/de active IP Right Grant
- 1996-11-22 IN IN570BO1996 patent/IN187474B/en unknown
-
1998
- 1998-05-22 NO NO19982327A patent/NO315992B1/no unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9722795A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ300412B6 (cs) * | 1999-07-02 | 2009-05-13 | Filterwerk Mann+Hummel Gmbh | Vzduchový filtr, filtracní vložka a pouzdro filtru |
Also Published As
Publication number | Publication date |
---|---|
ATE188538T1 (de) | 2000-01-15 |
IN187474B (de) | 2002-05-04 |
ES2144273T3 (es) | 2000-06-01 |
WO1997022795A1 (de) | 1997-06-26 |
DE19547575A1 (de) | 1997-06-26 |
KR20000064385A (ko) | 2000-11-06 |
NO982327L (no) | 1998-05-22 |
US6090177A (en) | 2000-07-18 |
NO982327D0 (no) | 1998-05-22 |
IN187472B (de) | 2002-05-04 |
EP0868606B1 (de) | 2000-01-05 |
NO315992B1 (no) | 2003-11-24 |
AU7693796A (en) | 1997-07-14 |
KR100530764B1 (ko) | 2006-03-22 |
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